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What is the best way to determine the number of days in a month with JavaScript?
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201
function daysInMonth (month, year) { // Use 1 for January, 2 for February, etc.
return n...
How to read data when some numbers contain commas as thousand separator?
...", and then convert the string to numeric using as.numeric:
y <- c("1,200","20,000","100","12,111")
as.numeric(gsub(",", "", y))
# [1] 1200 20000 100 12111
This was also answered previously on R-Help (and in Q2 here).
Alternatively, you can pre-process the file, for instance with sed in unix...
GLib compile error (ffi.h), but libffi is installed
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270
If you have a Debian-based Linux OS with apt-get:
sudo apt-get install libffi-dev
With a Redh...
How to set 'auto' for upper limit, but keep a fixed lower limit with matplotlib.pyplot
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109
You can pass just left or right to set_xlim:
plt.gca().set_xlim(left=0)
For the y axis, use ...
Javascript Split string on UpperCase Characters
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answered Oct 25 '11 at 11:05
TeneffTeneff
20.7k88 gold badges4747 silver badges7777 bronze badges
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How do I call an Angular.js filter with multiple arguments?
...a template to censor out all digits:
<p>{{ myText | regexReplace: '[0-9]':'X' }}</p>
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How does collections.defaultdict work?
...efault items are created using int(), which will return the integer object 0. For the second example, default items are created using list(), which returns a new empty list object.
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How to write DataFrame to postgres table?
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Starting from pandas 0.14 (released end of May 2014), postgresql is supported. The sql module now uses sqlalchemy to support different database flavors. You can pass a sqlalchemy engine for a postgresql database (see docs). E.g.:
from sqlalchemy...
Get Element value with minidom with Python
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It should just be
name[0].firstChild.nodeValue
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Are tuples more efficient than lists in Python?
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180
The dis module disassembles the byte code for a function and is useful to see the difference bet...